STS-64 Mission Patch

64th Space Shuttle Mission 19th Flight of Discovery Crew: Richard N. Richards, Commander L. Blaine Hammond, Jr., Pilot Susan J. Helms, Mission Specialist Carl J. Meade, Mission Specialist Mark C. Lee, Mission Specialist J.M. Linenger, Mission SpecialistThis was the first flight of the Lidar In-Space Technology Experiment (LITE), an optical radar instrument using laser pulses instead of radio waves to study Earth's atmosphere.